TSB: Getrag M86 or MG3 Shifter Roll Pin

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Service Information
Document ID: 2313666
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#PIP4674: Blocked Shift Gear Hop Out 1st 3rd 5th Gear Or Dificulty Shifting - (Jul 21, 2009)


Subject: Blocked Shift, Gear Hop Out, 1st, 3rd, 5th Gear Or Difficulty Shifting


Models: 2005-2010 Chevrolet Cobalt

2006-2010 Chevrolet HHR

2005-2009 Pontiac G5, Pursuit

2003-2007 Saturn Ion

2004-2007 Saturn VUE

Equipped With A Getrag Manual Transmission RPO M86 Or MG3




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The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:
Some customers may comment about hop-out or blocked shift of 1st, 3rd and 5th gears or difficulty shifting the above listed manual transmissions. The shift lever roll pin can back out and contact the shift cover during a shift event. This can cause an incomplete, blocked shift or difficulty shifting the transmission. See photos, the first two are of a dislodged roll pin and the last two are of a correctly installed roll pin.

Recommendation/Instructions:
Prior to any internal transmission repairs inspect the shift cover and lever to see if the roll pin has backed out and is dragging on or contacting the housing. If roll pin contact is evident then the shifting difficulty may NOT be an internal transmission concern.

If the shift cover shows witness marks from contact with the roll pin, dealers should replace the complete shift cover assembly, item #1 as shown in SI document #881811.

Important: Do not replace the transmission for this concern.

If the roll pin is not dislodged follow published SI diagnostics.














Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.

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